Growth Response of Silver Fir and Bosnian Pine from Kosovo

Toromani, Elvin; Bojaxhi, Faruk

doi:10.15177/seefor.10-03

Cited by 4 publications

(4 citation statements)

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“…At several sites in Slovenia 1976Slovenia , 1967Slovenia , 1962Slovenia , 1960Slovenia , 1947Slovenia and 1942Slovenia were detected as negative pointer years, whereas 1989Slovenia , 1961Slovenia , 1959Slovenia , 1951Slovenia and 1943 were detected as positive (Levanič 1996). According to Toromani et al (2011), the most prominent negative pointer years in the silver fir chronology from the Koritnik Mountain (southern Kosovo) were 1985, 1997 and 2003. In the 64-year-long silver fir chronology from Kosovo, 1909Kosovo, , 1953Kosovo, , 1980Kosovo, and 1995Kosovo, were detected as strong negative pointer years, whereas 1947Kosovo, , 1955Kosovo, , 1971Kosovo, and 1994 as positive (Toromani and Bojaxhi 2010). The authors in the study stated that the pointer years 1953 and 1955 appeared to be the most geographically extended pointer years for silver fir throughout Europe.…”

Section: Discussionmentioning

confidence: 76%

“…The observed effect of precipitation on fir radial increment at Bokšanica Mountain is in accordance with the results obtained for the effect of precipitation at Kozara Mountain in summer (the effect of precipitation is also more prominent than the effect of air temperature). Toromani and Bojaxhi (2010) determined that radial growth of silver fir in Kosovo depends strongly on spring temperature and precipitation (i.e. climate at the beginning of the growing season), which play a significant role particularly for early wood production.…”

Section: Discussionmentioning

confidence: 99%

“…Silver fir has been the subject of research in a number of dendrochronological studies in Europe and in the Balkans (Rolland 1983, Levanič 1996, Smith et al 1999, Toromani and Bojaxhi 2010, Bijak 2010, Carrer et al 2010, Mazza 2013, Koprowski 2013, Jović et al 2018.…”

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confidence: 99%

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Relationships Between Climatic Variables and Tree-Ring Width of Silver Fir (Abies alba Mill.) in Kozara National Park (Bosnia and Herzegovina)

Subotić

Dukić

Popov

et al. 2020

SEEFOR

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Silver fir (Abies alba Mill.) is the most common conifer species in Bosnia and Herzegovina. The paper describes the development of a silver fir master tree-ring chronology from Kozara National Park and analyzes the influence of the climate conditions on tree-ring widths. The knowledge concerning the effect of climate on cambium activity and, as a result, on tree growth is of great importance for silviculture, which is particularly complex in terms of deterioration of health condition. Four sites were selected for sampling at Kozara National Park. At each sampling site, 15 dominant trees were drilled with Pressler’s increment borer at breast height. The development of chronology included three steps: i) cross-dating of a series of tree-ring width and checking of their quality using the COFECHA program, ii) data standardization in the ARSTAN program, and iii) master chronology development. Correlation analysis was performed in order to determine the links between tree-ring width and climate (primarily temperature and precipitation). In the 88-year-long master chronology, pointer years analysis identified five positive and nine negative years. Correlation analysis revealed that precipitation had stronger and more significant impact on silver fir radial growth, particularly at the beginning of the growing season, in April and May (r=0.175 and r=0.318, respectively), and in the crucial July−September period (r in the range of 0.143−0.222). The highest negative correlation coefficient with temperature was determined for September of the previous year (r=-0.282) and then for summer months (July and August) of the current year (r=-0.184 and r=-0.272, respectively). In addition, statistically significant correlation between radial growth and the Forestry Aridity Index was determined (r=-0.390). The results of tree-ring width climate analysis obtained in this study are in accordance with other studies carried out in Bosnia and Herzegovina and in the surrounding area.

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Section: Discussionmentioning

confidence: 76%

Section: Discussionmentioning

confidence: 99%

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Relationships Between Climatic Variables and Tree-Ring Width of Silver Fir (Abies alba Mill.) in Kozara National Park (Bosnia and Herzegovina)

Subotić

Dukić

Popov

et al. 2020

SEEFOR

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“…However, against the background of long-term climatic shifts for decades, the prevailing influence is acquired by winter temperatures [34,35]. For example, Toromani and Bojaxhi [36] write: "Earlier studies has shown that phytosynthesis is possible for Abies alba in winter, where high temperatures could play an important role in improving carbohydrate storage and growth at following year. For species grown under a Mediterranen climate high temperatures and low precipitation during growing season may cause water stress, which is the main limiting factor for tree growth".…”

Section: Methodsmentioning

confidence: 99%

Patterns for Populus spp. Stand Biomass in Gradients of Winter Temperature and Precipitation of Eurasia

Usoltsev

Chen

Shobairi

et al. 2020

Forests

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Based on a generated database of 413 sample plots, with definitions of stand biomass of the genus Populus spp. in Eurasia, from France to Japan and southern China, statistically significant changes in the structure of forest stand biomass were found, with shifts in winter temperatures and average annual precipitation. When analyzing the reaction of the structure of the biomass of the genus Populus to temperature and precipitation in their transcontinental gradients, a clearly expressed positive relationship of all components of the biomass with the temperature in January is visible. Their relationship with precipitation is less clear; in warm climate zones, when precipitation increases, the biomass of all wood components decreases intensively, and in cold climate zones, this decrease is less pronounced. The foliage biomass does not increase when precipitation decreases, as is typical for wood components, but decreases. This can be explained by the specifics of the functioning of the assimilation apparatus, namely its transpiration activity when warming, and the corresponding increase in transpiration, which requires an increase in the influx of assimilates into the foliage, and the desiccation of the climate that reduces this influx of assimilates. Comparison of the obtained patterns with previously published results for other species from Eurasia showed partial or complete discrepancies, the causes of which require special physiological studies. The results obtained can be useful in the management of biosphere functions of forests, which is important in the implementation of climate stabilization measures, as well as in the validation of the results of simulation experiments to assess the carbon-deposition capacity of forests.

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Fir (Abies spp.) stand biomass additive model for Eurasia sensitive to winter temperature and annual precipitation

Usoltsev

Merganičová

Konôpka

et al. 2019

Central European Forestry Journal

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Climate change, especially modified courses of temperature and precipitation, has a significant impact on forest functioning and productivity. Moreover, some alterations in tree biomass allocation (e.g. root to shoot ratio, foliage to wood parts) might be expected in these changing ecological conditions. Therefore, we attempted to model fir stand biomass (t ha−1) along the trans-Eurasian hydrothermal gradients using the data from 272 forest stands. The model outputs suggested that all biomass components, except for the crown mass, change in a common pattern, but in different ratios. Specifically, in the range of mean January temperature and precipitation of −30°C to +10°C and 300 to 900 mm, fir stand biomass increases with both increasing temperature and precipitation. Under an assumed increase of January temperature by 1°C, biomass of roots and of all components of the aboveground biomass of fir stands increased (under the assumption that the precipitation level did not change). Similarly, an assumed increase in precipitation by 100 mm resulted in the increased biomass of roots and of all aboveground components. We conclude that fir seems to be a perspective taxon from the point of its productive properties in the ongoing process of climate change.

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Growth Response of Silver Fir and Bosnian Pine from Kosovo

Cited by 4 publications

References 12 publications

Relationships Between Climatic Variables and Tree-Ring Width of Silver Fir (Abies alba Mill.) in Kozara National Park (Bosnia and Herzegovina)

Relationships Between Climatic Variables and Tree-Ring Width of Silver Fir (Abies alba Mill.) in Kozara National Park (Bosnia and Herzegovina)

Patterns for Populus spp. Stand Biomass in Gradients of Winter Temperature and Precipitation of Eurasia

Fir (Abies spp.) stand biomass additive model for Eurasia sensitive to winter temperature and annual precipitation

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